Finding the Third Proportional to 63,728 and 89,134

Step by Step Solution

1. Step 1: Write the proportion equation
   63,728 : 89,134 = 89,134 : x
2. Step 2: Convert to fraction form
   63,728/89,134 = 89,134/x
3. Step 3: Cross multiply
   63,728x = 89,134 × 89,134
4. Step 4: Simplify right side
   63,728x = 7,944,869,956
5. Step 5: Solve for x
   x = 7,944,869,956/63,728
6. Step 6: Final answer
   x = 124,668.43